Asteroid 1998 SD9

1998 SD9 is a near-Earth asteroid roughly 60 m across, about the size of a football pitch. Its closest recorded pass was on 29 Aug 1975 at 4.1 lunar distances.

Estimated size

60 m

about the size of a football pitch

Closest pass on record

4.13 LD

29 Aug 1975

Speed relative to Earth

9.8 km/s

Brightness (H)

24.09

Lower means larger

Past close approaches

Recorded passes within about 20 lunar distances since 1900.

1998 SD9
1 Oct 1988 · 13894 d ago · 60 m · 9.8 km/s
12.2 LD
4,686,366 km
1998 SD9
7 Oct 1978 · 17541 d ago · 60 m · 11.2 km/s
12.8 LD
4,926,166 km
1998 SD9
29 Aug 1975 · 18676 d ago · 60 m · 10.6 km/s
4.13 LD
1,585,743 km
1998 SD9
5 Sept 1965 · 22321 d ago · 60 m · 9.6 km/s
14.8 LD
5,696,315 km
1998 SD9
23 Sept 1955 · 25956 d ago · 60 m · 9.4 km/s
19.2 LD
7,368,777 km
1998 SD9
6 Oct 1945 · 29595 d ago · 60 m · 10.9 km/s
9.96 LD
3,830,378 km
1998 SD9
31 Aug 1942 · 30727 d ago · 60 m · 10.1 km/s
7.43 LD
2,855,760 km
1998 SD9
1 Oct 1932 · 34348 d ago · 60 m · 9.9 km/s
11.3 LD
4,324,761 km
1998 SD9
27 Aug 1929 · 35480 d ago · 60 m · 11.3 km/s
10.6 LD
4,074,953 km
1998 SD9
7 Oct 1909 · 42743 d ago · 60 m · 11.3 km/s
13.0 LD
4,994,145 km
1998 SD9
3 Sept 1906 · 43873 d ago · 60 m · 9.8 km/s
12.4 LD
4,770,795 km